Black Anodized Aluminum Spacer Bushing 1/2" OD x 5/16" ID--Fits M8 or 5/16" Bolt
Black Anodized Aluminum Spacer 1/2" OD x 5/16" ID---Fits M8 or 5/16" Bolts. Finish Black Anodized. Fits Imperial Bolt 5/16". Product information: All aluminum spacers have an acid washed finish that is compatible with anodizing and welding.